I can't remember what the word for that is called specifically, but I know there are sites out there can can help you, that computes a list of all the possibilities that the letters can be arranged.
Anagram
The letters 'LELABAZLI' cannot unscramble into a single word. The longest possible word with eight letters is alliable.
The letters 'tlaiva' cannot be unscrambled to spell a single word.The longest possible words have five letters. They are:AvailVital
The letters 'trneusetottte' cannot be unscrambled to spell a single word.The longest possible word with nine letters is rottenest.
The letters 'rilyiitreco' cannot be unscrambled to spell a single word.The longest possible word is elicitor with eight letters.
The letters 'odpbruacn' can't unscramble to form a single word.The next possible longest word with eight letters is cupboard.
The letters 'SCOODER' cannot unscramble to spell a single word.The longest possible words have six letters. They are:DecorsRodeosScored
The letters 'pmksuni' cannot be unscrambled to spell a single word.The longest possible words have five letters. They are:MinksMinusPinksPunksSkimpSpunk
The letters 'rthecreyer' cannot be unscrambled to spell a single word.The longest possible words have seven letters. They are:CheererErecterReerect
The letters 'amdinuadi' cannot be unscrambled to spell a single word.The longest possible word with six letters is aidman.
The letters 'enitmelegens' cannot unscramble to spell a single word.The longest possible word with ten letters is genteelism.
The letters 'eshoolrt' cannot unscramble to spell a single word.The longest possible words have seven letters and are:LootersReshootShooterSoother
The letters 'irbute' cannot unscramble to spell a single word.The longest possible words have five letters and are:BiterBruteTribeTuber